package interfaceClass;

/**
 * Created by qq65827 on 2015/2/28.
 */
public class CharSequenceImpl implements CharSequence {
    @Override
    public int length() {
        return 0;
    }

    @Override
    public char charAt(int index) {
        return 0;
    }

    @Override
    public CharSequence subSequence(int start, int end) {
        return null;
    }
}
